计算机视觉:播放视频的路径

Computer Vision: Path for playing video

我想使用以下目录中的视频 'E:\Multimedia Security\matlab\UCSD_Anomaly_Dataset.v1p2\UCSDped1\Train\Train001'

以下是我写的代码

close all
clear all
clc

workingDir = 'E:\Multimedia 
Security\matlab\UCSD_Anomaly_Dataset.v1p2\UCSDped1\Train\Train001';

videoofReader = vision.VideoFileReader(dir(fullfile(workingDir, 'abc.avi')));
videoPlayer = vision.VideoPlayer;

while ~isDone(videoofReader)
  frame = step(videoofReader);
  step(videoPlayer, frame);
end

release(videoofReader);
release(videoPlayer);

我得到的错误是

`Error using VideoFileReader.set.Filename (line 139)
Expected Filename to be one of these types:

char

Instead its type was struct.

Error in C:\Program
Files\MATLAB\R2012a\toolbox\matlab\system\+matlab\+system\setProp.p>setProp 
(line 14)


Error in 

C:\ProgramFiles\MATLAB\R2012a\toolbox\matlab\system+matlab+system\SystemProp.p>SystemProp.set(行 373)

C:\Program 错误 Files\MATLAB\R2012a\toolbox\matlab\system+matlab+system\SystemProp.p>SystemProp.parseInputs (第 635 行)

C:\Program 出错 Files\MATLAB\R2012a\toolbox\matlab\system+matlab+system\SystemProp.p>SystemProp.set属性 (第 138 行)

C:\Program 出错 Files\MATLAB\R2012a\toolbox\vision\vision+vision\VideoFileReader.p>VideoFileReader.VideoFileReader (第 131 行)

kl2 错误(第 18 行) videoofReader = vision.VideoFileReader(dir(fullfile(workingDir, 'abc.avi')));

系统提示you Error in kl2 (line 18)所以这行有问题。您不需要使用 dir 因为您已经有了绝对路径。

给你两个解决方案:

  1. videoofReader = vision.VideoFileReader(fullfile(workingDir, 'abc.avi'));

  2. dirstruct = dir(fullfile(workingDir, 'abc.avi')); videoofReader = vision.VideoFileReader(dirstruct{1});